Natutt, 

 October <j, 1919 



Index 



XXXV 



Nitric Oxide, Oxidation Cycle of, in Presence of Water, 

 A. Sanfourche, 39 



Non-ferrous Mining in the United Kingdom, Appointment 

 of a Departmental Committee on, 471 



Northamptonshire and Rutland, Highways and Byways in, 

 H. A. Evans, 103 



North-east : Coast Institution of Engineers and Shipbuilders 

 Forthcoming Summer Meeting of the, 210, 309; Vic- 

 tory Meeting of the, 395 ; Work of the Principal Indus- 

 tries of the, during the War, A. H. J. Cochrane, 395 ; 

 Ireland, Analysis of the Palaeozoic Floor of, W. B. 

 Wright, 58 



Northern Babunda Tribe, The, E. Torday, 251 



Norwich Public Library "Readers' Guide," July, 370 



Nottingham, University College, Prof. n. W. Kirkaldy 

 appointed Professor of Economics and Commerce at, 78 



Nova Aquilae : The Spectrum of, Rev. A. L. Cortie ; Dr. J. 

 Lunt ; Visual Magnitudes of, Dr. A. A. Rambaut, 53 ; 

 1918, 234 ; H. Thomson, 353 ; The Spectrum of, 435 ; 

 Magnitude of, Stebbins and E. Dershem, 474 



Nova Scotia, The Orthoptera of, H. Piers, 289 



Novae : Absorption Spectrum of the, W. S. Adams, 19 : 

 The Origin of, Prof. W. H. Pickering, 153 



Observatory for Navigation, Co-ordinates and Instruments 

 of the, G. Bigourdan, 340 



Occultation of Stars by Venus, A. Burnet, 174 



Occultations of Stars by the Moon, Calculation of, A. 

 Snow, 194 



Ocean, Life in the, A Review of Recent Deep-sea Re- 

 searches, Prof. E. E. Prince, 438 



Oil : -fuel Reservoir at Rosyth, Large, 19^ ; in Derbyshire, 

 Indications of, V. C. IHing, 265 



Oils : Essential, Tables of Refractive Indices, vol. i., 

 R. Kanthack, Edited by Dr. J. N. Goldsmith, 43 ; Fats, 

 and Waxes, Technical Handbook of, P. J. Fryer and 

 F. E. Weston, vol. ii., " Practical and Analytical," 262 ; 

 Vegetable, The Production and Treatment of, T. W. 

 Chalmers, 41 



Okapi, Presentation of a Live, to Belgium, Mme. Landa- 

 ghem, 490 



Onaping Map-area, Rocks in the, W. H. Collins, 390 



Oolitic Ironstones, The Mineral Composition of, R. H. 

 Rastall, 359 , 



Opacimeter for Use in Bacterial Estimations, An, Lambert, 

 , Vl^s, and de Watteville, 180 



Open Air, Joys of the, W. Graveson, 263 



Ophthalmological Training of Medical Students, 155 



Optical : Glass, 65 ; Instruments, Modern, The Theory of, 

 Dr. A. Gleichen, Translated by H. H. Emsley and 

 W. Swaine, with an Appendix on " Rangefinders," 101 ; 

 Munitions of War, The Design of, Lt.-Col. A. C. 

 Williams, R. S. Whipple, 475 ;' Pyrometer, The Dis- 

 appearing Filament-type of, W. E. Forsythe, 459 ; Re- 

 search, British, 236 



Optics : and Mechanics, 302 ; Applied, The Computation of 

 Optical Systems, Drs. A. Steinheil and E. Voit, Trans- 

 lated and Edited by J. W. French, vol. ii., 401 



"Orchid Spot," W. B.Brierley, 10 



Organic : Colouring Matters, The Natural, Prof. A. G. 

 Perkin and Dr. A. E. Everest, 241 ; Readjustments, 444 



Oriental Tipulidae, Revision of the, E. Brunetti, 269 



Orion Nebula, The Parallax of the. Prof. Pickering, 353 



Ornithological Notes from Norfolk for 1918, J. H. Gurney, 

 211 



Osiers and Willows, The Cultivation of, W. P. Ellmore, 

 144 



Osmotic Pressure, Prof. A. Findlay, Second Edition, 322 



Otoceras Layers of Armenia and those of the Himalayas, 

 Relations between the, P. Bonnet, 519 



Oxford : and Cambridge Universities, The Government and 

 the Position of, H. A. L. Fisher, 397 ; Christ Church, 

 Forthcoming Appointment of a Lee's Reader in 

 Chemistry, 379; Queen's College and Trinity College, 

 Bequests to, by Bishop Percival, 198 ; University, Pre- 

 amljle of a .Statute to make Greek Optional in 

 Responsions, 16; Forthcoiliing Elections to Two Pro- 

 fessorships ; Number of Undergraduates at, 78 ; Prof. 

 F. Soddy elected to the Second Chair of Chemistry, 

 Dr. F. A. Lindemann appointed Professor of Experi- 

 mental Philosophy ; Forthcoming Lectures on Geo- 



graf>hy. Anthropology, and Primitive Law, 178; 

 Amendments to the Statute to make Greek Optional 

 in Responsions, 218; Question of Financial Assistance 

 from the Government ; The Halley Lecture, Prof. H. 

 Lamb, 257 ; Optional Greek ; Suspension for a Year 

 of the Romanes Lecture ; Proposed New Rooms at the 

 Physiological Laboratory, 278 ; Restoration of Pro- 

 fessorships ; The Preamble of a Statute admitting 

 Women for Diplomas in Science, etc., passed by Con- 

 gregation ; Impending Changes in the First Public 

 Examination, 237; The Question of a Government 

 Grant, 295; The Statute for the Reform of Respon- 

 sions ; Doctorate conferred upon C. W. D. Perrins, 317; 

 Gift from Sir Heath Harrison, 318; J. S. Huxley and 

 H. Clay elected Fellows of New College, 479 

 Ozone, A Reaction and Method for the Estimation of, 

 L. Benoist, 119 



Palaeontographical Society, The 72nd Annual Meeting of 

 the. Dr. H. Woodward re-elected President of the, 

 172 



Palestine : Geology of, Major R. W. Brock, 239 ; The 

 Flora of a small area in, J. M. F. Drummond, 219 



Panorpoid Complex, The, Part II., Dr. R. J. Tillyard, 

 19 



Pappus in Compositae, Forms assumed by the, J. Smith, 

 219 



Parasitic Coccobacilli of the Caterpillars of Ptem hrassiccz, 

 A. Paillot, 79 



Paris : Academy of Sciences, Prof. G. E. Hale elected a 

 Foreign Associate of the, 489 ; Observatory Reports, 

 1916-18, 252 



a-Particles, Collision of, with Light Atoms, Sir E. 

 Rutherford, 415 



Passalidae of the World, Revision of the, Dr. F. H. 

 Gravely, 251 



Patent : Law and the Legal Standard of Novelty, 

 " Historicus," 3=10; Empire. Scheme for a Proposed, 

 512; Searches, International Use of, S. H. Tilly, 70 



Patents in Relation to Industry, Sir Robert Hadfield, Lord 

 Moulton, and others, 453 



Peace : Conference Atlas, The, 344 ; Treaty, Mineral Produc- 

 tion in relation to the, Prof. H. Louis, 205 ; Signing 

 of, 34Q 



Peas, Sweet, experiments with. Prof. Punnett, 432 



Pejark Marsh. Victoria, Origin of the Volcanic Tuff of, 

 R. H. Walcott, 440 



Pempheres affinis, Faust, Habits and Life-history of, 

 T. V. R. Ayyar, 137 



Pensions for Hospital Officers, Report on, 113 



Pentecoulant Prize, The, awarded to Prof. A. S. Edding- 

 ton, 470 



Peroxydases in Milk, The. H. Violle. i;i9 



Persian Mineral Oil, Impending Exploitaton of, 390 



Personality, The Secret of. Dr. G. T. Ladd, 303 



Perturbations of the Optical .A.xis of a Meridian Telescope, 

 M. Hamy, 90 



Peru-Bolivia Boundarv Commission, 1911-13, Reports of 

 the British Officers of the Peruvian Commission, 46 



Petrol, Rapid Analysis of. Use of " T.CD." in Aniline 

 for the, G. Chavanne and L. J. Simon, 4!;9 



Petrol Vapour, The Physical Properties of, J. Roy, 99 



Petroleum, British, 306 



Pharmaceutical Conference, The British. 451; 



Pharmacy, Theoretical and Practical, including Arithmetic 

 of Pharmacy, Prof. E. A. Ruddiman. 83 



Phenological Observations, Dec, 1917 Nov., 1918, J. E. 

 Clark and H. B. Adames, 259 



Philiopine Economic Plants, Fungus Diseases of, O. A. 

 Reinking, 354 



Philosophical Institute of Canterbury, New Zealand, An- 

 nual Report of the, for 1918, 280 



Philosophy of Mr. B*rtr*nd R»ss*ll, The, With an Ap- 

 pendix of Leading Passages from certain other Works, 

 edited by P. E. B. Jourdain, 303 



Phoma citricarpa, Mc.Mp, Life-history of, G. P. Darnell- 

 Smith, i;9 



Phosgene. Preparation of, by means of Carbon Tetra- 

 chloride and Oleum or ordinary Sulphuric Acid, V. 

 Grignard and E. Urbain, 439 



